| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acrocirridae | 0 | 0 | 2 |
| Amphinomida | 0 | 0 | 2 |
| Annelida (環節動物門) | 0 | 0 | 1 |
| Apistobranchidae | 0 | 0 | 2 |
| Arenicolidae (沙蠋科) | 0 | 0 | 2 |
| Capitellidae | 0 | 0 | 2 |
| Chaetopteridae (磷沙蚕科) | 0 | 0 | 3 |
| Cirratulidae (絲鰓蟲科) | 0 | 0 | 2 |
| Cossuridae | 0 | 0 | 2 |
| Eunicida (磯沙蠶目) | 0 | 0 | 2 |
| Fauveliopsidae | 0 | 0 | 2 |
| Flabelligeridae (扇毛虫科) | 0 | 0 | 2 |
| Magelonidae | 0 | 0 | 2 |
| Maldanidae | 0 | 0 | 2 |
| Myzostomida (吸口虫纲) | 0 | 0 | 4 |
